Abstract：In order to to further understand the radar echo systems responsible for hail formation in Jiangxi and the correlation between these echo systems and lightning distribution,radar mosaic data and lightning distribution data were utilized to analyze three hail weather processes that occurred in Jiangxi in April 2025.The results indicate that the evolution of mesoscale cloud clusters into cold front echo bands leads to significant lightning activity,especially in thunderstorm echo cells with CR (Convectional Readiness) values between 50-55 dBZ and VIL values greater than or equal to 30 kg/m2.The key characteristic of the evolution from southwest trough short-band echoes to cold front echo bands is the emergence of northwest-to-southeast oriented short-band echoes with a relatively loose structure,moving northeastward at a slow speed,and resulting in uneven precipitation distribution.After evolving into cold front echo bands,the structure becomes tighter,lightning becomes more dense,and hail,thunderstorm winds,and short-duration heavy precipitation occur in supercells on the echo bands.The 850 hPa shear line dynamically triggers the generation of multiple parallel or intermittent thunderstorm echo bands with CR values greater than or equal to 55 dBZ,accompanied by supercells with CR values greater than or equal to 60 dBZ and VIL values between 40 kg/m2 and up to 70 kg/m2.The aforementioned research findings provide an analytical basis for early warning and forecasting of lightning activity and radar echoes in severe convective weather in Jiangxi.
杜江, 夏侯斌, 黄小红. 江西三次冰雹过程雷电分布与雷达回波演变特征分析[J]. 气象水文海洋仪器, 2025, 42(6): 29-33.
Du Jiang, Xiahou Bin, Huang Xiaohong. Analysis of lightning distribution and radar echo evolution characteristics during three hail processes in Jiangxi Province. Meteorological Hydrological and Marine Instrument, 2025, 42(6): 29-33.
2025, Vol. 42 
